Mirelo vs Magnite
Side-by-side comparison of AI visibility scores, market position, and capabilities
Raised $41M seed led by a16z and Index Ventures (Dec 2025). Solves AI video's silent problem — synchronized sound generation. Distributed via Fal.ai and Replicate APIs.
About
Mirelo is solving the "silent problem" in AI video generation: AI-generated videos have no synchronized, contextually appropriate sound. The company raised $41 million in seed financing led by Andreessen Horowitz and Index Ventures in December 2025, and launched SFX v1.5 and Mirelo Studio in early 2026. The platform generates synchronized sound effects, ambient audio, and music that matches the visual content of AI-generated or edited video.
NASDAQ-listed (MGNI) largest independent SSP for CTV and programmatic advertising; Rubicon-Telaria merger serving Disney and NBCUniversal streaming inventory competing with Google Ad Manager.
About
Magnite is a Los Angeles-based independent sell-side advertising (SSP) platform — the world's largest independent supply-side platform — that helps publishers, broadcasters, and app developers monetize digital advertising inventory across connected TV (CTV), streaming video, mobile, desktop, and audio through programmatic advertising technology including header bidding, auction dynamics, and yield optimization. Listed on NASDAQ (NASDAQ: MGNI), Magnite was formed from the 2020 merger of Rubicon Project and Telaria (a CTV advertising platform), creating scale in the rapidly growing streaming video advertising market.
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